Volume 29 Issue 5
Sep.  2009
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Article Contents
Xiong Weiming, Xie Chunjian, Liang Xianfeng, Bai Yunfei, Qu Chenyang, Wang Zhugang, Guo Lili, Geng Hao, Deng Yongsheng, Jiang Yaxiang, Wang Wei, Cao Zhiyu, Zhao Tao. Deep Space TT&C Equipments of YH-1[J]. Journal of Space Science, 2009, 29(5): 490-494. doi: 10.11728/cjss2009.05.490
Citation: Xiong Weiming, Xie Chunjian, Liang Xianfeng, Bai Yunfei, Qu Chenyang, Wang Zhugang, Guo Lili, Geng Hao, Deng Yongsheng, Jiang Yaxiang, Wang Wei, Cao Zhiyu, Zhao Tao. Deep Space TT&C Equipments of YH-1[J]. Journal of Space Science, 2009, 29(5): 490-494. doi: 10.11728/cjss2009.05.490

Deep Space TT&C Equipments of YH-1

doi: 10.11728/cjss2009.05.490
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2009-09-15
  • A new upsurge of deep space exploration has arisen internationally during the 21th century. The TT&C (Tracking, Telemetry, Control ) technologies of deep space are very important. The YH-1 microsatellite is the first deep space explorer of China. In this article, the deep space TT&C characteristics, the key technologies of the YH-1 TT&C sub-system are introduced. The configuration and technical performance are provided concisely. The functions of TT&C for YH-1 microsatellite are: the telemetry link (downlink: from the microsatellite to the ground station) that transmits engineering data (spacecraft and instrument health and status measurements) and science data (including image data); the telecommand link (uplink: from the ground station to the microsatellite) that transmits the control information and commands to the microsatellite. The orbit parameters can be measured by one-way tracking, one-way Doppler frequency and VLBI. The microsatellite TT&C is working of X-band. In order to simplify the TT&C sub-system of the microsatellite, a transmitter and a receiver are used, instead of a transponder. The TT&C equipments onboard are designed with redundancy, which total weight is about 10kg.

     

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